Do you need to dynamically change one select menu based on the value of another? Here I show how to filter states/provinces by a selected country using grouped options and a dab of CoffeeScript.
(7 minutes)

It is often best to use a GET request when submitting a search form, however if it is an advanced search form with a lot of fields then this may not be ideal. Here I show how to create a search resource to handle this.
(6 minutes)